firewire: net: add Kconfig item, rename driver

The driver is now called firewire-net.  It might implement the transport
of other networking protocols in the future, notably IPv6 per RFC 3146.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

drivers/ieee1394/Kconfig

@@ -105,7 +105,7 @@ config IEEE1394_ETH1394_ROM_ENTRY
 	default n
 
 config IEEE1394_ETH1394
-	tristate "IP over 1394"
+	tristate "IP networking over 1394"
 	depends on IEEE1394 && EXPERIMENTAL && INET
 	select IEEE1394_ETH1394_ROM_ENTRY
 	help